Frequencies for first 10,000 rows of fbrace variable in natlterr2011 dataset :

   Father's |
    Bridged |
   Race R** |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,771       37.71       37.71
          2 |        638        6.38       44.09
          3 |          4        0.04       44.13
          4 |          5        0.05       44.18
          5 |        197        1.97       46.15
          6 |        466        4.66       50.81
          7 |         25        0.25       51.06
          8 |         79        0.79       51.85
         10 |         32        0.32       52.17
         11 |          4        0.04       52.21
         12 |        846        8.46       60.67
         13 |          4        0.04       60.71
         14 |        388        3.88       64.59
         24 |         32        0.32       64.91
         99 |        973        9.73       74.64
          . |      2,536       25.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015